public class FessHtmlPathTest extends UnitFessTestCase {

    public void test_allPathsInitialized() throws Exception {
        // Get all public static final fields of HtmlNext type
        Field[] fields = FessHtmlPath.class.getDeclaredFields();
        for (Field field : fields) {
            int modifiers = field.getModifiers();
            if (Modifier.isPublic(modifiers) && Modifier.isStatic(modifiers) && Modifier.isFinal(modifiers)) {

    }

    /**
     * Test that all label constants follow the naming convention
     */
    public void test_labelConstantsNamingConvention() throws Exception {
        Field[] fields = FessLabels.class.getDeclaredFields();
        Pattern labelPattern = Pattern.compile("^LABELS_[A-Za-z0-9_]+$");

        for (Field field : fields) {

          new PrivilegedExceptionAction<Unsafe>() {
            @Override
            public Unsafe run() throws Exception {
              Class<Unsafe> k = Unsafe.class;
              for (Field f : k.getDeclaredFields()) {
                f.setAccessible(true);
                Object x = f.get(null);
                if (k.isInstance(x)) return k.cast(x);
              }
              throw new NoSuchFieldError("the Unsafe");

      try {
        return AccessController.doPrivileged(
            (PrivilegedExceptionAction<Unsafe>)
                () -> {
                  Class<Unsafe> k = Unsafe.class;
                  for (Field f : k.getDeclaredFields()) {
                    f.setAccessible(true);
                    Object x = f.get(null);
                    if (k.isInstance(x)) {
                      return k.cast(x);
                    }

     *
     * @param clazz
     *            the target class or interface
     */
    protected void addFieldDescs(final Class<?> clazz) {
        for (final Field field : clazz.getDeclaredFields()) {
            final String fname = field.getName();
            if (fieldDescCache.containsKey(fname)) {
                continue;
            }
            setFieldAccessible(field);

      return arbitraryConstantInstanceOrNull(type);
    }
  }

  private static <T> @Nullable T arbitraryConstantInstanceOrNull(Class<T> type) {
    Field[] fields = type.getDeclaredFields();
    Arrays.sort(fields, BY_FIELD_NAME);
    for (Field field : fields) {
      if (Modifier.isPublic(field.getModifiers())
          && Modifier.isStatic(field.getModifiers())

    }

    // Test that constants are protected static final
    public void test_constantsModifiers() throws Exception {
        Field[] fields = CorsHandler.class.getDeclaredFields();
        for (Field field : fields) {
            if (field.getName().startsWith("ACCESS_CONTROL_")) {
                int modifiers = field.getModifiers();

  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  private static FluentIterable<Field> getConstantFields() {
    return FluentIterable.from(asList(MediaType.class.getDeclaredFields()))
        .filter(
            new Predicate<Field>() {
              @Override
              public boolean apply(Field input) {
                int modifiers = input.getModifiers();

      return arbitraryConstantInstanceOrNull(type);
    }
  }

  private static <T> @Nullable T arbitraryConstantInstanceOrNull(Class<T> type) {
    Field[] fields = type.getDeclaredFields();
    Arrays.sort(fields, BY_FIELD_NAME);
    for (Field field : fields) {
      if (Modifier.isPublic(field.getModifiers())
          && Modifier.isStatic(field.getModifiers())

              doPrivileged(
                  (PrivilegedExceptionAction<Unsafe>)
                      () -> {
                        Class<Unsafe> k = Unsafe.class;
                        for (Field f : k.getDeclaredFields()) {
                          f.setAccessible(true);
                          Object x = f.get(null);
                          if (k.isInstance(x)) {
                            return k.cast(x);